With its attractive colors, bold frame shape, and crystal clear optics, the Costa Del Mar Cat Cay Polarized Sunglasses are equally suited to reading on the beach or sailing across a deep ocean bay. In addition to the glare free vision and enhanced contrast, the 580P polycarbonate lenses are highly impact and scratch resistant so you won't have to worry when you toss them in the sand before diving into the surf. Proposition 65 Warning for California Consumers: This product contains chemicals known to the State of California to cause cancer andor birth defects or other reproductive harm.